Valve lockout device



FIG. 1 is a front isometric view of a valve lockout device embodying our new design;

FIG. 2 is a rear isometric view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dash-dash broken line representations in the figures are for the purpose of illustrating unclaimed environment of the claimed design. 

CLAIM The ornamental design for a valve lockout device, as shown and described. 